READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 90208.557 4552.318 -1574.883 8.831485e-03 2.392440e-03 -2.392440e-03 0.407162 2.811013e-04 2.555466e-05 1.540871 15 0.701282 2494.765340 224.283485 3.691413 95271.720 978.490 -510.844 1.758498e-02 4.257546e-03 -4.257546e-03 1.000000 3.188266e-04 4.016838e-05 1.494418 18 0.474839 1489.334360 292.944602 4.130309